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Asked: 2026-05-11T02:02:40+00:00

I need to write the code that would format the value according to the

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I need to write the code that would format the value according to the specified options.

Right now there is several formatting options that can be chosen: rounding/truncating the number with the specified precision, added prefix (e.g $) or postfix (e.g. %), grouping thousands (applying commas), adding numeric abbreviations (KMB).

So e.g. number 1857 could be displayed as $2K or $1.86K or $ 1,867

At first I thought about using Decorator pattern for this but I am not sure because the formatters should be applied in a specific order,e.g. at first I need to apply KMB conversion: 1857 -> 1.857 K, then round it 1.86 K.

Do you have any suggestions?

Thanks, matali

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1 Answer

  1. No, use the java.text.NumberFormat options that are already available to you. They’re fully internationalized already.

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